Clean up a bit the project

.codespellrc

@@ -0,0 +1,3 @@
+[codespell]
+skip = .cargo,.git,target
+ignore-words-list = crate,ser

.github/workflows/ci.yml

@@ -1,41 +1,45 @@
 name: CI
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    tags:
+      - 'v*'
+    branches: [ main ]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
-  # Use the following command to fix words locally:
-  # codespell --ignore-words-list "ser,crate,daa,keypair" --skip "*/target,*-sys" --write-changes
   check-spelling:
     name: Check spelling
     runs-on: ubuntu-latest
     steps:
       - name: Check spelling
         uses: codespell-project/actions-codespell@master
-        with:
-          ignore_words_list: "ser,crate,daa,keypair"
-          path: tss-esapi
-          skip: "*/target,*-sys"
 
   formatting:
     name: Check formatting
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Check formatting
         run: cargo fmt --all -- --check
 
   tests:
     name: Unit tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Build and test
         run: cargo build --verbose --all && cargo test --verbose --all
 
   lints:
     name: Clippy lints
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Check for lints
         run: cargo clippy -- -D warnings

.github/workflows/dco.yml

@@ -0,0 +1,10 @@
+name: DCO
+
+on: pull_request
+
+jobs:
+  check:
+    name: Developer Certificate of Origin
+    runs-on: ubuntu-latest
+    steps:
+      - uses: tisonkun/[email protected]

Cargo.toml

@@ -33,4 +33,4 @@ required-features = ["agent"]
 [dev-dependencies]
 env_logger = "0.11.0"
 openssl = "0.10.16"
-tokio = { version = "1", features = ["macros"] }
+tokio = { version = "1", features = ["macros", "rt-multi-thread"] }

README.md

@@ -1,27 +1,27 @@
 # ssh-agent-lib
 
+[![CI](https://github.com/wiktor-k/ssh-agent-lib/actions/workflows/ci.yml/badge.svg)](https://github.com/wiktor-k/ssh-agent-lib/actions/workflows/ci.yml)
+[![Crates.io](https://img.shields.io/crates/v/ssh-agent-lib)](https://crates.io/crates/ssh-agent-lib)
+
 A collection of types for writing custom SSH agents.
 
-This makes it possible to utilize remote keys not supported by the
-default OpenSSH agent.
+This makes it possible to utilize remote keys not supported by the default OpenSSH agent.
 
 ## Example
 
-This example starts listening on a Unix socket `connect.sock` and
-processes requests.
+This example starts listening on a Unix socket `ssh-agent.sock` and processes requests.
 
 ```rust,no_run
-use async_trait::async_trait;
 use tokio::net::UnixListener;
 
 use ssh_agent_lib::agent::{Session, Agent};
 use ssh_agent_lib::error::AgentError;
-use ssh_agent_lib::proto::message::{Message, SignRequest};
+use ssh_agent_lib::proto::message::Message;
 
 #[derive(Default)]
 struct MyAgent;
 
-#[async_trait]
+#[ssh_agent_lib::async_trait]
 impl Session for MyAgent {
     async fn handle(&mut self, message: Message) -> Result<Message, AgentError> {
         match message {
@@ -35,22 +35,34 @@ impl Session for MyAgent {
     }
 }
 
-#[tokio::main(flavor = "current_thread")]
-async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
-    let agent = MyAgent;
-    let socket = "connect.sock";
-    let _ = std::fs::remove_file(socket);
-    let socket = UnixListener::bind(socket)?;
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let socket = "ssh-agent.sock";
+    let _ = std::fs::remove_file(socket); // remove the socket if exists
 
-    agent.listen(socket).await?;
+    MyAgent.listen(UnixListener::bind(socket)?).await?;
     Ok(())
 }
 ```
 
-For more elaborate example see `examples` directory.
+Now, point your OpenSSH client to this socket using `SSH_AUTH_SOCK` environment variable and it will transparently use the agent:
+
+```sh
+SSH_AUTH_SOCK=ssh-agent.sock ssh [email protected]
+```
+
+For more elaborate example see the `examples` directory or [crates using `ssh-agent-lib`](https://crates.io/crates/ssh-agent-lib/reverse_dependencies).
 
 ## Note
 
 This library has been forked from
 [sekey/ssh-agent.rs](https://github.com/sekey/ssh-agent.rs) as the
 upstream seems not be maintained (at least as of 2022).
+
+# License
+
+This project is licensed under the [MIT license](https://opensource.org/licenses/MIT).
+
+## Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this crate by you shall be licensed as above, without any additional terms or conditions.

src/lib.rs

@@ -9,3 +9,6 @@ pub mod error;
 
 #[cfg(feature = "agent")]
 pub use self::agent::Agent;
+
+#[cfg(feature = "agent")]
+pub use async_trait::async_trait;